Board & Executive Directors



Wendy Krasner

Vice President

Dianne Guillory


Andrew Bethke


Michael D. Krauss

Ivy Baer

Alan Hoffman

James Butler

Audrey Corson, MD

Warner Deleon

Ramona Flores

Wendy Frosh

Charlotte A. Jenkins, MBA

Harmony Mbuton

Kimberley Persaud

Honorary Board

George J. Cohen, MD

Simon Atlas

Lola Jean Cross, MPH, RN

Sharon Kay Dooley, RN

Dolores Farr, RN

John (Jack) J. Fitzgerald, Jr

Sara N. Harris, OT

Hugh F. Hill III, MD, JD

Kenneth Howard

Jean Lanham

Connie J. Lierman, CRNP

Andrew Weiss

Hon. Helen Strang

Anita Solomon, PhD, ABPP

Thelma Meyer, MSW

John Moscato

Cynthia A. Meyersburg, MS


Executive Director

Peter F. Lowet

Peter Lowet has been the Executive Director of MobileMed since 2011. During his tenure, MobileMed has focused on enhancing its chronic disease management capabilities, integrating behavioral health services, transitioning to an electronic health record, and expanding to serve Medicaid as well as uninsured patients. Under his leadership, MobileMed was awarded designation as a Federally Qualified Health Center (FQHC).

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Director of Finance and Administration

Nurifah Muhamad

Nurifah Muhamad, MobileMed’s Director of Finance and Administration, has an extensive finance and accounting background. Prior to MobileMed, she worked for ten years in controller and manager roles, most recently as an outsource contractor with clients in multiple industries. Ms. Muhamad has an MS in Business and Management from the University of Maryland’s Smith School of Business.

Medical Director

Dr. Megan Hollis, MD

Dr. Megan Hollis, MD, FAAFP joined Mobile Med as Medical Director in 2023. Dr. Hollis is a board-certified family medicine physician and a fellow of the American Academy of Family Medicine. She is a proud “triple Hoya” having completed undergraduate, medical school and residency training at Georgetown University.  She served as chief resident in her final year at the Georgetown University-Providence Hospital Family Medicine Residency Program where she developed her skill and commitment to community healthcare in underserved populations. 

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Director of Clinical Operations

Alexandra Del Castillo

Alexandra Del Castillo was recently promoted to the newly created position of Director of Clinical Operations, after 12 years as Assistant Clinical Director for Operations. She joined MobileMed in 2008 and served as its first Specialty Care Coordinator, where she got to design and implement MobileMed’s specialty care referral process to outside community organizations, a few years later, due to her performance and work ethic, Alexandra was promoted to Assistant Clinical Director. Prior to joining MobileMed, she volunteered at the Primary Care Coalition of Montgomery County as a patient advocate for the Project Access and Medbank programs helping uninsured patients access costly brand name medications and specialty care appointments, causes that are close to her heart. Ms. Del Castillo grew up in Colombia where she received her medical degree.


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